diff --git a/kernel/locking/rtmutex.c b/kernel/locking/rtmutex.c
index 2823d4163a37c..581edcc63c268 100644
--- a/kernel/locking/rtmutex.c
+++ b/kernel/locking/rtmutex.c
@@ -1485,9 +1485,9 @@ void __sched rt_mutex_lock_nested(struct rt_mutex *lock, unsigned int subclass)
 	__rt_mutex_lock(lock, subclass);
 }
 EXPORT_SYMBOL_GPL(rt_mutex_lock_nested);
-#endif
 
-#ifndef CONFIG_DEBUG_LOCK_ALLOC
+#else /* !CONFIG_DEBUG_LOCK_ALLOC */
+
 /**
  * rt_mutex_lock - lock a rt_mutex
  *